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Date: Mon, 22 Oct 2007 12:40:51 -0700 (PDT)
From: "Martin Sebor (JIRA)" <jira@apache.org>
To: stdcxx-dev@incubator.apache.org
Subject: [jira] Updated: (STDCXX-565) [Compaq C++ 7.1] floating point
 underflow warnings compiling library
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     [ https://issues.apache.org/jira/browse/STDCXX-565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Sebor updated STDCXX-565:
--------------------------------

    Fix Version/s: 4.2.1

Scheduled for 4.2.1.

> [Compaq C++ 7.1] floating point underflow warnings compiling library
> --------------------------------------------------------------------
>
>                 Key: STDCXX-565
>                 URL: https://issues.apache.org/jira/browse/STDCXX-565
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Build
>    Affects Versions: trunk
>         Environment: Compaq (now HP) C++ 7.1, Tru64 UNIX
>            Reporter: Martin Sebor
>            Priority: Minor
>             Fix For: 4.2.1
>
>
> With the latest trunk (but not with 4.1.3) we're getting the warnings below when building the library. They suggest we might have a problem in the definition of the macros.
> gmake: Entering directory `$(BUILDDIR)/lib'
> ...
> cxx -c -D_RWSTDDEBUG  -D_RWSTD_SHARED_LIB  -I$(TOPDIR)/include -I$(BUILDDIR)/include  -x cxx -nocxxstd -std strict_ansi_errors -g   -w1 -msg_disable 450   -ptr repository.ti $(TOPDIR)/src/collate.cpp
> cxx: Warning: $(TOPDIR)/include/limits, line 439: 
>           underflow occurs in evaluating this expression
>     _RWSTD_STATIC_FUN (long double, (min), _RWSTD_LDBL_MIN) 
> ----^
> ...
> cxx -c -D_RWSTDDEBUG  -D_RWSTD_SHARED_LIB  -I$(TOPDIR)/include -I$(BUILDDIR)/include  -x cxx -nocxxstd -std strict_ansi_errors -g   -w1 -msg_disable 450   -ptr repository.ti $(TOPDIR)/src/limits.cpp
> cxx: Warning: $(TOPDIR)/include/limits, line 439: 
>           underflow occurs in evaluating this expression
>     _RWSTD_STATIC_FUN (long double, (min), _RWSTD_LDBL_MIN) 
> ----^
> ...
> cxx -c -D_RWSTDDEBUG  -D_RWSTD_SHARED_LIB  -I$(TOPDIR)/include -I$(BUILDDIR)/include  -x cxx -nocxxstd -std strict_ansi_errors -g   -w1 -msg_disable 450   -ptr repository.ti $(TOPDIR)/src/locale_core.cpp
> cxx: Info: $(TOPDIR)/src/locale_core.cpp, line 110: 
>           statement is unreachable
>         _RW::__rw_chararray pathname;
> ----------------------------^
> ...
> cxx -c -D_RWSTDDEBUG  -D_RWSTD_SHARED_LIB  -I$(TOPDIR)/include -I$(BUILDDIR)/include  -x cxx -nocxxstd -std strict_ansi_errors -g   -w1 -msg_disable 450   -ptr repository.ti $(TOPDIR)/src/num_get.cpp
> cxx: Warning: $(TOPDIR)/src/num_get.cpp, line 761: 
>           underflow occurs in evaluating this expression
>                 __rw_validate (ld, LDbl (_RWSTD_LDBL_MIN),
> -----------------------------------------^
> cxx -c -D_RWSTDDEBUG  -D_RWSTD_SHARED_LIB  -I$(TOPDIR)/include -I$(BUILDDIR)/include  -x cxx -nocxxstd -std strict_ansi_errors -g   -w1 -msg_disable 450   -ptr repository.ti $(TOPDIR)/src/num_put.cpp
> cxx: Warning: $(TOPDIR)/include/limits, line 439: 
>           underflow occurs in evaluating this expression
>     _RWSTD_STATIC_FUN (long double, (min), _RWSTD_LDBL_MIN) 
> ----^

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